Runway vs Synthesia: Complete Comparison 2026
Choosing between Runway and Synthesia? We compare both tools across features, pricing, pros and cons to help you decide which is the better fit in 2026.
Runway · Video & Audio
Runway is a pioneer of generative video, offering text-to-video, image-to-video and a full suite of AI-powered editing tools. Its Gen-series models produce cinematic clips with strong motion and camera control, used by filmmakers and creators. Runway pairs generation with practical editing features like motion brush, inpainting and green-screen.
Synthesia · Video & Audio
Synthesia creates studio-quality videos with realistic AI avatars and voiceovers from a script — no camera or crew. It's widely used for training, onboarding and explainer videos.
Key differences at a glance
- •Runway scores higher overall (8.7 vs 8.2).
- •Both start at $15/mo (Runway) and $29/mo (Synthesia).
- •Runway leans on leading generative video quality.
- •Synthesia leans on professional avatar videos.
Side-by-side comparison
| Feature | RunwayRunway | SynthesiaSynthesia |
|---|---|---|
| Quality score | 8.7 / 10 | 8.2 / 10 |
| Starting price | $15/mo | $29/mo |
| Free tier | Yes — Free trial credits | Yes — Free plan (limited) |
| API input price | — | — |
| API output price | — | — |
| Speed | Medium | — |
| Context window | — | — |
| Categories | Video & Audio | Video & Audio |
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Specs compared
Runway holds the higher quality score (8.7 vs 8.2 out of 10).
On modality, only Runway lists image/vision input, based on their published features.
Runway
Choose Runway if you want leading generative video quality and a free tier to start.
Synthesia
Choose Synthesia if you want professional avatar videos and a free tier to start.
Pricing comparison
On monthly plans, Runway is the cheaper option at $15/mo — roughly 48% less than Synthesia's $29/mo.
Both offer a free tier, so you can try each before paying for anything.
Which should you choose?
The right pick depends on what you're optimising for. Here's how Runway and Synthesia line up against the priorities that usually decide it.
- →On a tight budget, Runway is the lower-cost choice to start with.
- →If top overall quality matters most, Runway edges ahead on our score.
- →If you need image or vision input, choose Runway.
The verdict
Overall, Runway edges ahead with a quality score of 8.7 versus 8.2 for Synthesia. Choose Runway if you want leading generative video quality. That said, Synthesia is the better pick when professional avatar videos matters most — so the right answer depends on your priorities and budget.
Frequently asked questions
Q. Which is better, Runway or Synthesia?
On our scoring, Runway edges ahead (8.7/10), but the right pick depends on your priorities and budget — see the breakdown above.
Q. Is Runway or Synthesia cheaper?
Runway starts at $15/mo and Synthesia at $29/mo. Check current rates before committing.
Q. Can I use Runway and Synthesia together?
Yes — many teams use more than one AI tool, picking Runway for some tasks and Synthesia for others where it's stronger.